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I got a 2.4kw array on my smallish roof in London. I was tracking payback at ~24 years but all of a sudden I'm paying 25p/kwh instead of 12p/kwh, which means my
by dabeeeenster 5y ago
I got a 2.4kw array on my smallish roof in London. I was tracking payback at ~24 years but all of a sudden I'm paying 25p/kwh instead of 12p/kwh, which means my payback is considerably shorter!
- stinos 5y agoYup. I did a very quick calculation based on last years yield and if the new energy prizes remain at this level it seems our 2.7kWp is going to pay itself back in about 4 years (!) instead of about 9-10 years. Crazy.